Home / 185,440.43-278,160.39-67,084.04

Finding the Fourth Proportional to 185,440.43, 278,160.39 and 67,084.04

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Solution

The fourth proportional to 185,440.43, 278,160.39 and 67,084.04 is: 100,625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,440.43 : 278,160.39 = 67,084.04 : x
  2. Step 2: Convert to fraction form
    185,440.43/278,160.39 = 67,084.04/x
  3. Step 3: Cross multiply
    185,440.43x = 278,160.39 × 67,084.04
  4. Step 4: Simplify right side
    185,440.43x = 18,660,123,424.58
  5. Step 5: Solve for x
    x = 18,660,123,424.58/185,440.43
  6. Step 6: Final answer
    x = 100,625.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.